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2 years ago

I have a TPO set on me should I disobey it and go see my girl and express my love to her ?

Chemistry

1 answer:

nexus9112 [7]2 years ago

3 0

Answer:

i have no idea what a TPO is but you should definitly tell her, be yourself, let all your love 4 her flood out!

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Use the image to answer the question.

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3 years ago

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Which statements are correct about Avogadro’s constant?

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Explanation:

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2 years ago

Is the equation for reaction 1 balanced? Explain your reasoning. If the reaction is not balanced, then state how you would balan

sveticcg [70]

Answer:

Reaction is already balanced

Explanation:

The equation in reaction 1 is given as;

CH3COOH + NaHCO3 --> CO2 + H2O + Na+ + CH3COO-

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3 years ago

Calcium nitrate tetrahydrate dissolves in cold water to the extent of 266 g per 100 cm3. What is the concentration of nitrate io

Soloha48 [4]

Answer : The correct option is, (b) 22.5 M

Explanation : Given,

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Volume of solution = $100cm^3=100mL$

Molarity : It is defined as the moles of solute present in one liter of solution.

Formula used :

$Molarity=\frac{\text{Mass of calcium nitrate tetrahydrate }\times 1000}{\text{Molar mass of calcium nitrate tetrahydrate }\times \text{volume of solution in ml}}$

Now put all the given values in this formula, we get:

$Molarity=\frac{266g\times 1000}{236.15g/mole\times 100ml}=11.26mole/L=11.26M$

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The concentration of nitrate ion = $2\times 11.26M=22.5M$

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3 years ago

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